The correct option is A horizontal fluted disc at the apex of the shikhara.
Explanation
The Nagara style of temple architecture, which developed prominently in Northern India, is characterized by a curvilinear tower known as the Shikhara (or Rekha-Prasada). The elevation of a Nagara temple follows a specific vertical hierarchy of architectural members.Detailed Analysis:
- Amalaka: This term refers to the large, fluted, or ribbed stone disc placed at the apex of the Shikhara. It resembles the Indian gooseberry (amla) in shape. In the Nagara style, the Amalaka sits directly on top of the tower's neck (Griva) and supports the Kalasha (the finial or pot-like structure). It is considered a symbol of the celestial world.
- Comparison with other options:
- The vertical axis representing the cosmic pillar is a symbolic concept (Axis Mundi) rather than the specific architectural member named Amalaka.
- The base platform or plinth is technically called the Jagati or Pitha.
- The arched entrance gateway is typically known as a Torana (common in Buddhist and early Hindu architecture) or simply the Dvara.
Key Takeaway:
The Amalaka is the distinctive horizontal, ribbed stone disc crowning the Shikhara in Nagara temple architecture, situated immediately below the Kalasha.